<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        input[type="file"] {
            color:transparent; /* transparent */
            border-radius: 4px;
            color:white;
            cursor:pointer;
        }
        input[type="file"]::file-selector-button {
            font-weight:500;
            color:#fff;
            background-color: #409eff;
            border-color:#409eff;
            padding:6px 25px;
            cursor:pointer;

        }
    </style>
</head>
<body>
    <input type="file">
</body>
</html>